public static extern int ECF_DadosReducaoZClass_GetCNF(IntPtr ecfHandle, ref ComprovanteNaoFiscalRec record, int value);
public static extern int ECF_GetComprovanteNaoFiscal(IntPtr ecfHandle, ref ComprovanteNaoFiscalRec comprovanteNaoFiscal, int index);
public static extern int ECF_AchaCNFDescricao(IntPtr ecfHandle, ref ComprovanteNaoFiscalRec comprovanteNaoFiscal, string descricao, bool busca, bool ignore);